Matches in DBpedia 2016-04 for { ?s <http://dbpedia.org/property/twinning> ?o }
- Conichalcite twinning "Rare on {001}".
- Copiapite twinning "Contact twins".
- Cordierite twinning "Common on {110}, {130}, simple, lamellar, cyclical".
- Cornetite twinning "On {h0l}".
- Corundum twinning "Polysynthetic twinning common".
- Cristobalite twinning "on {111}".
- Cryolite twinning "Very common, often repeated or polysynthetic with simultaneous occurrence of several twin laws".
- Cryptomelane twinning "Twinning developed on and resulting in a pseudotetragonal unit cell.".
- Cubanite twinning "Common with twin plane {110} in pairs, also as fourlings and pseudohexagonal sixlings".
- Cummingtonite twinning "Simple and lamellar – common".
- Cuprite twinning "Penetration twins".
- Cuspidine twinning "Simple, lamellar, polysynthetic on {100}".
- Delafossite twinning "Contact twins on {0001}".
- Devilline twinning "On {010}".
- Diamond twinning "Spinel law common".
- Diaspore twinning "Forms heart shaped twins on {021} or pseudohexagonal aggregates".
- Diopside twinning "Simple and multiple twins common on {100} and {001}".
- Djurleite twinning "Pseudohexagonal twins are common, twin axis [100].".
- Dollaseite-(Ce) twinning "On [100]".
- Dolomite twinning "Common as simple contact twins".
- Dorrite twinning "Common, producing a pseudomonoclinic symmetry".
- Dumortierite twinning "Common on {110}, may produce trillings".
- Dyscrasite twinning "On {110} produces pseudohexagonal forms".
- Edenite twinning "Simple or multiple parallel to {010}".
- Emmonsite twinning "Noted".
- Enargite twinning "Twin plane {320} common, rarely as interpenetrating pseudohexagonal trillings".
- Enstatite twinning "Simple and lamellar on [100]".
- Eosphorite twinning "May be observed on {100} and {001}".
- Ephesite twinning "Commonly twinned about [310] or [3{{overline|1}}0]".
- Epidote twinning "On [100]".
- Epsomite twinning "Rarely observed on {110}".
- Euxenite twinning "Common on [201]".
- Evenkite twinning "Polysynthetic".
- Faujasite twinning "on {111}, contact and penetration twins".
- Fayalite twinning "On [100]; also on [031], as trillings".
- Ferberite twinning "Contact or interpenetrant or lamellar twins".
- Ferroselite twinning "Stellate and cruciform twins common".
- Fettelite twinning "intimately twinned with six twin domains".
- Fluorapatite twinning "Contact twins rare".
- Fluorite twinning "Common on {111}, interpenetrant, flattened".
- Forsterite twinning "On {100}, {011} and {012}".
- Franckeite twinning "Complex".
- Freieslebenite twinning "Twin plane {010}".
- Gabrielite twinning "Common, with as twin plane".
- Gahnite twinning "Common on [111] produces striations".
- Galaxite twinning "Spinel law with {111} as both twin and composition plane".
- Gatehouseite twinning "On {001}, contact twins".
- George-ericksenite twinning "None observed megascopically nor during single-crystal study".
- Getchellite twinning "Simple and polysynthetic twins with the twin plane and composition plane parallel to {001}".
- Gmelinite twinning "Interpenetrant twins common on {101}. The twins consist of four individuals, three are at 90° to the other and at 60° to each other".
- Gormanite twinning "Polysynthetic around [010]".
- Grandidierite twinning "none".
- Grandreefite twinning "Polysynthetic twins visible under cross polarized light".
- Graphite twinning "Present".
- Greenockite twinning "Rare on {112} forming trillings".
- Groutite twinning "Reported, unknown law".
- Guettardite twinning "Polysynthetic twinning on {100}".
- Gypsum twinning "Very common on {110}".
- Gyrolite twinning "Lamellar".
- Hambergite twinning "On {110}".
- Hausmannite twinning "Repeated twins on {112}".
- Hauyne twinning "Common on {111}".
- Heazlewoodite twinning "Possibly the cause of mosaic structure seen in polished section".
- Hellyerite twinning "Fine lamellar parallel to cleavage".
- Hematite twinning "Penetration and lamellar".
- Hemihedrite twinning "Present".
- Hemimorphite twinning "Rare on {001}".
- Herderite twinning "On {100} or {001} as fishtail contact".
- Hyalophane twinning "Commonly simple twins according to the Carlsbad, Manebach, or Baveno laws".
- Hydromagnesite twinning "Polysynthetic lamellar on {100}".
- Hydrozincite twinning "Contact twinning on {100}".
- Hübnerite twinning "Contact twins".
- Ilmenite twinning "{0001} simple, {101} lamellar".
- Ixiolite twinning "Uncommon on {013}".
- Jacobsite twinning "Spinel law, flattened on {111} or lamellar".
- Jadeite twinning "Single and lamellar twinning on [100] and [001]".
- Johannite twinning "Simple and repeated lamellar twinning".
- Kaersutite twinning "Simple or multiple twinning parallel to {100}".
- Kamiokite twinning "none".
- Kanoite twinning "Polysynthetic".
- Khmaralite twinning "None".
- Kieserite twinning "Contact on {001}, polysynthetic about [110]".
- Kogarkoite twinning "Common".
- Kosmochlor twinning "Simple, lamellar on {100} and {001}".
- Kostovite twinning "Fine lamellar".
- Kröhnkite twinning "Common, sometimes heart-shaped".
- Kurnakovite twinning "Twinning uncommon".
- Kyanite twinning "Lamellar on {100}".
- Labradorite twinning "Common by Albite, Pericline, Carlsbad, Baveno, or Manebach twin laws".
- Langite twinning "Common on {110}, typically repeated".
- Lanthanite twinning "Common on {101}".
- Larnite twinning "Common, polysynthetic parallel to {100}".
- Lavendulan twinning "Common".
- Lawsonite twinning "Common on {101} lamellar".
- Lazulite twinning "Common by several twin laws".
- Leadhillite twinning "Commonly twinned, twin plane {140}".
- Leifite twinning "None".
- Leonite twinning "{100}".
- Lepidolite twinning "Rare, composition plane {001}".
- Leucite twinning "Common and repeated on {110} and {101}".